diff options
| author | Luca Barbieri <luca@luca-barbieri.com> | 2010-04-12 09:36:28 +0200 |
|---|---|---|
| committer | Luca Barbieri <luca@luca-barbieri.com> | 2010-04-12 12:13:15 +0200 |
| commit | 507dc546c3da415036521fcf91e76af88c2cbf69 (patch) | |
| tree | e8a1753eaff0cff20ea135ae75e9ff327766c351 /src/gallium/drivers/nvfx/nvfx_vbo.c | |
| parent | f0b8677d57f32ea66c997dfc8c3bf06987c6ebcd (diff) | |
nvfx: avoid flushes in primitives
Currently we miscalculate the space needed to push vertices, causing
flushes where they should not happen.
Use a much more conservative estimate to fix it.
It will be done better in the future (e.g. using the nv50 primitive
splitter).
Diffstat (limited to 'src/gallium/drivers/nvfx/nvfx_vbo.c')
| -rw-r--r-- | src/gallium/drivers/nvfx/nvfx_vbo.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_vbo.c b/src/gallium/drivers/nvfx/nvfx_vbo.c index b9566f9ee2..73f00adff0 100644 --- a/src/gallium/drivers/nvfx/nvfx_vbo.c +++ b/src/gallium/drivers/nvfx/nvfx_vbo.c @@ -195,7 +195,10 @@ nvfx_draw_arrays(struct pipe_context *pipe, nvfx_state_emit(nvfx); - vc = nouveau_vbuf_split(AVAIL_RING(chan), 6, 256, + unsigned avail = AVAIL_RING(chan); + avail -= 16 + (avail >> 10); /* for the BEGIN_RING_NIs, conservatively assuming one every 1024, plus 16 for safety */ + + vc = nouveau_vbuf_split(avail, 6, 256, mode, start, count, &restart); if (!vc) { FIRE_RING(chan); @@ -249,7 +252,10 @@ nvfx_draw_elements_u08(struct nvfx_context *nvfx, void *ib, nvfx_state_emit(nvfx); - vc = nouveau_vbuf_split(AVAIL_RING(chan), 6, 2, + unsigned avail = AVAIL_RING(chan); + avail -= 16 + (avail >> 10); /* for the BEGIN_RING_NIs, conservatively assuming one every 1024, plus 16 for safety */ + + vc = nouveau_vbuf_split(avail, 6, 2, mode, start, count, &restart); if (vc == 0) { FIRE_RING(chan); @@ -300,7 +306,10 @@ nvfx_draw_elements_u16(struct nvfx_context *nvfx, void *ib, nvfx_state_emit(nvfx); - vc = nouveau_vbuf_split(AVAIL_RING(chan), 6, 2, + unsigned avail = AVAIL_RING(chan); + avail -= 16 + (avail >> 10); /* for the BEGIN_RING_NIs, conservatively assuming one every 1024, plus 16 for safety */ + + vc = nouveau_vbuf_split(avail, 6, 2, mode, start, count, &restart); if (vc == 0) { FIRE_RING(chan); @@ -351,7 +360,10 @@ nvfx_draw_elements_u32(struct nvfx_context *nvfx, void *ib, nvfx_state_emit(nvfx); - vc = nouveau_vbuf_split(AVAIL_RING(chan), 5, 1, + unsigned avail = AVAIL_RING(chan); + avail -= 16 + (avail >> 10); /* for the BEGIN_RING_NIs, conservatively assuming one every 1024, plus 16 for safety */ + + vc = nouveau_vbuf_split(avail, 5, 1, mode, start, count, &restart); if (vc == 0) { FIRE_RING(chan); @@ -427,7 +439,10 @@ nvfx_draw_elements_vbo(struct pipe_context *pipe, nvfx_state_emit(nvfx); - vc = nouveau_vbuf_split(AVAIL_RING(chan), 6, 256, + unsigned avail = AVAIL_RING(chan); + avail -= 16 + (avail >> 10); /* for the BEGIN_RING_NIs, conservatively assuming one every 1024, plus 16 for safety */ + + vc = nouveau_vbuf_split(avail, 6, 256, mode, start, count, &restart); if (!vc) { FIRE_RING(chan); |